#include <poll.h>
#include <common/compat/errno.h>
-#include <lttng/action/action.h>
-#include <lttng/action/notify.h>
-#include <lttng/condition/buffer-usage.h>
-#include <lttng/condition/condition.h>
-#include <lttng/condition/evaluation.h>
-#include <lttng/domain.h>
-#include <lttng/endpoint.h>
-#include <lttng/lttng-error.h>
-#include <lttng/notification/channel.h>
-#include <lttng/notification/notification.h>
-#include <lttng/trigger/trigger.h>
#include <lttng/lttng.h>
#include <tap/tap.h>
-#define NUM_TESTS 104
+#define FIELD_NAME_MAX_LEN 256
+
+/* A callback to populate the condition capture descriptor. */
+typedef int (*condition_capture_desc_cb)(struct lttng_condition *condition);
+
+/* A callback for captured field validation. */
+typedef int (*validate_cb)(const struct lttng_event_field_value *event_field, unsigned iteration);
int nb_args = 0;
int named_pipe_args_start = 0;
-pid_t app_pid = -1;
+pid_t app_pid = 0;
const char *app_state_file = NULL;
+enum field_type {
+ FIELD_TYPE_PAYLOAD,
+ FIELD_TYPE_CONTEXT,
+ FIELD_TYPE_APP_CONTEXT,
+ FIELD_TYPE_ARRAY_FIELD,
+};
+
+struct capture_base_field_tuple {
+ char* field_name;
+ enum field_type field_type;
+ /* Do we expect a userspace capture? */
+ bool expected_ust;
+ /* Do we expect a kernel capture? */
+ bool expected_kernel;
+ validate_cb validate_ust;
+ validate_cb validate_kernel;
+};
+
static
-void wait_on_file(const char *path, bool file_exist)
+const char *field_value_type_to_str(enum lttng_event_field_value_type type)
{
- if (!path) {
- return;
+ switch (type) {
+ case LTTNG_EVENT_FIELD_VALUE_TYPE_UNKNOWN:
+ return "UNKNOWN";
+ case LTTNG_EVENT_FIELD_VALUE_TYPE_INVALID:
+ return "INVALID";
+ case LTTNG_EVENT_FIELD_VALUE_TYPE_UNSIGNED_INT:
+ return "UNSIGNED INT";
+ case LTTNG_EVENT_FIELD_VALUE_TYPE_SIGNED_INT:
+ return "SIGNED INT";
+ case LTTNG_EVENT_FIELD_VALUE_TYPE_UNSIGNED_ENUM:
+ return "UNSIGNED ENUM";
+ case LTTNG_EVENT_FIELD_VALUE_TYPE_SIGNED_ENUM:
+ return "SIGNED ENUM";
+ case LTTNG_EVENT_FIELD_VALUE_TYPE_REAL:
+ return "REAL";
+ case LTTNG_EVENT_FIELD_VALUE_TYPE_STRING:
+ return "STRING";
+ case LTTNG_EVENT_FIELD_VALUE_TYPE_ARRAY:
+ return "ARRAY";
+ default:
+ abort();
}
- for (;;) {
- int ret;
- struct stat buf;
+}
- ret = stat(path, &buf);
- if (ret == -1 && errno == ENOENT) {
- if (file_exist) {
- /*
- * The file does not exist. wait a bit and
- * continue looping until it does.
- */
- (void) poll(NULL, 0, 10);
- continue;
- }
+static int validate_type(const struct lttng_event_field_value *event_field,
+ enum lttng_event_field_value_type expect)
+{
+ int ret;
+ enum lttng_event_field_value_type value;
- /*
- * File does not exist and the exit condition we want.
- * Break from the loop and return.
- */
- break;
- }
- if (ret) {
- perror("stat");
- exit(EXIT_FAILURE);
- }
- /*
- * stat() returned 0, so the file exists. break now only if
- * that's the exit condition we want.
- */
- if (file_exist) {
- break;
- }
+ value = lttng_event_field_value_get_type(event_field);
+ if (value == LTTNG_EVENT_FIELD_VALUE_TYPE_INVALID) {
+ ret = 1;
+ goto end;
}
+
+ ok(expect == value, "Expected field type %s, got %s",
+ field_value_type_to_str(expect),
+ field_value_type_to_str(value));
+
+ ret = expect != value;
+
+end:
+ return ret;
}
-static
-int write_pipe(const char *path, uint8_t data)
+/*
+ * Validate unsigned captured field against the iteration number.
+ */
+static int validate_unsigned_int_field(
+ const struct lttng_event_field_value *event_field,
+ unsigned int expected_value)
{
- int ret = 0;
- int fd = 0;
+ int ret;
+ uint64_t value;
+ enum lttng_event_field_value_status status;
- fd = open(path, O_WRONLY | O_NONBLOCK);
- if (fd < 0) {
- perror("Could not open consumer control named pipe");
+ ret = validate_type(
+ event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_UNSIGNED_INT);
+ if (ret) {
goto end;
}
- ret = write(fd, &data , sizeof(data));
- if (ret < 1) {
- perror("Named pipe write failed");
- if (close(fd)) {
- perror("Named pipe close failed");
- }
- ret = -1;
+ status = lttng_event_field_value_unsigned_int_get_value(
+ event_field, &value);
+ if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) {
+ fail("lttng_event_field_value_unsigned_int_get_value returned an error: status = %d",
+ (int) status);
+ ret = 1;
goto end;
}
- ret = close(fd);
- if (ret < 0) {
- perror("Name pipe closing failed");
- ret = -1;
- goto end;
- }
+ ok(value == (uint64_t) expected_value,
+ "Expected unsigned integer value %u, got %" PRIu64,
+ expected_value, value);
+
+ ret = value != (uint64_t) expected_value;
+
end:
return ret;
}
-static
-int stop_consumer(const char **argv)
+/*
+ * Validate signed captured field.
+ */
+static int validate_signed_int_field(
+ const struct lttng_event_field_value *event_field,
+ unsigned int iteration)
{
- int ret = 0, i;
+ int ret;
+ const int64_t expected = -1;
+ int64_t value;
+ enum lttng_event_field_value_status status;
- for (i = named_pipe_args_start; i < nb_args; i++) {
- ret = write_pipe(argv[i], 49);
+ /* Unused. */
+ (void) iteration;
+
+ ret = validate_type(
+ event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_SIGNED_INT);
+ if (ret) {
+ goto end;
+ }
+
+ status = lttng_event_field_value_signed_int_get_value(
+ event_field, &value);
+ if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) {
+ fail("lttng_event_field_value_signed_int_get_value returned an error: status = %d",
+ (int) status);
+ ret = 1;
+ goto end;
}
+
+ ok(value == expected,
+ "Expected signed integer value %" PRId64
+ ", got %" PRId64,
+ expected, value);
+
+ ret = value != expected;
+
+end:
+
return ret;
}
-static
-int resume_consumer(const char **argv)
+/*
+ * Validate array of unsigned int.
+ */
+static int validate_array_unsigned_int_field(
+ const struct lttng_event_field_value *event_field,
+ unsigned int iteration)
{
- int ret = 0, i;
+ int ret;
+ enum lttng_event_field_value_status status;
+ const unsigned int expected = 3;
+ unsigned int i, count;
- for (i = named_pipe_args_start; i < nb_args; i++) {
- ret = write_pipe(argv[i], 0);
+ /* Unused. */
+ (void) iteration;
+
+ ret = validate_type(event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_ARRAY);
+ if (ret) {
+ goto end;
+ }
+
+ status = lttng_event_field_value_array_get_length(event_field, &count);
+ if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) {
+ fail("lttng_event_field_value_array_get_length");
+ ret = 1;
+ goto end;
+ }
+
+ ok(count == expected, "Expected %d subelements, got %d", expected,
+ count);
+ if (count != expected) {
+ ret = 1;
+ goto end;
+ }
+
+ for (i = 1; i < count + 1; i++) {
+ const struct lttng_event_field_value *value;
+
+ status = lttng_event_field_value_array_get_element_at_index(
+ event_field, i - 1, &value);
+ if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) {
+ fail("lttng_event_field_value_array_get_element_at_index returned an error: status = %d",
+ (int) status);
+ ret = 1;
+ goto end;
+ }
+
+ ret = validate_unsigned_int_field(value, i);
+ if (ret) {
+ goto end;
+ }
}
+
+ ret = 0;
+end:
+
return ret;
}
-static
-int suspend_application(void)
+static int validate_array_unsigned_int_field_at_index(
+ const struct lttng_event_field_value *event_field,
+ unsigned int iteration)
{
int ret;
- struct stat buf;
+ const uint64_t expected_value = 2;
+ enum lttng_event_field_value_status status;
+ uint64_t value;
- if (!stat(app_state_file, &buf)) {
- fail("App is already in a suspended state.");
- ret = -1;
- goto error;
- }
+ /* Unused. */
+ (void) iteration;
- /*
- * Send SIGUSR1 to application instructing it to bypass tracepoint.
- */
- ret = kill(app_pid, SIGUSR1);
+ ret = validate_type(
+ event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_UNSIGNED_INT);
if (ret) {
- fail("SIGUSR1 failed. errno %d", errno);
- ret = -1;
- goto error;
+ goto end;
}
- wait_on_file(app_state_file, true);
+ status = lttng_event_field_value_unsigned_int_get_value(
+ event_field, &value);
+ if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) {
+ fail("lttng_event_field_value_unsigned_int_get_value returned an error: status = %d",
+ (int) status);
+ ret = 1;
+ goto end;
+ }
-error:
- return ret;
+ ok(value == expected_value,
+ "Expected unsigned integer value %u, got %" PRIu64,
+ expected_value, value);
+ ret = 0;
+end:
+ return ret;
}
-static
-int resume_application(void)
+/*
+ * Validate sequence for a string (seqfield1):
+ *
+ * Value: "test" encoded in UTF-8: [116, 101, 115, 116]
+ */
+static int validate_seqfield1(const struct lttng_event_field_value *event_field,
+ unsigned int iteration)
{
int ret;
- struct stat buf;
+ enum lttng_event_field_value_status status;
+ unsigned int i, count;
+ const unsigned int expect[] = {116, 101, 115, 116};
+ const size_t array_count = sizeof(expect) / sizeof(*expect);
- ret = stat(app_state_file, &buf);
- if (ret == -1 && errno == ENOENT) {
- fail("State file does not exist");
- goto error;
- }
+ /* Unused. */
+ (void) iteration;
+
+ ret = validate_type(event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_ARRAY);
if (ret) {
- perror("stat");
- goto error;
+ goto end;
}
- ret = kill(app_pid, SIGUSR1);
- if (ret) {
- fail("SIGUSR1 failed. errno %d", errno);
- ret = -1;
- goto error;
+ status = lttng_event_field_value_array_get_length(event_field, &count);
+ if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) {
+ fail("lttng_event_field_value_array_get_length returned an error: status = %d",
+ (int) status);
+ ret = 1;
+ goto end;
}
- wait_on_file(app_state_file, false);
+ ok(count == array_count, "Expected %zu array sub-elements, got %d",
+ array_count, count);
+ if (count != array_count) {
+ ret = 1;
+ goto end;
+ }
-error:
- return ret;
+ for (i = 0; i < count; i++) {
+ const struct lttng_event_field_value *value;
-}
+ status = lttng_event_field_value_array_get_element_at_index(
+ event_field, i, &value);
+ if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) {
+ fail("lttng_event_field_value_array_get_element_at_index returned an error: status = %d",
+ (int) status);
+ ret = 1;
+ goto end;
+ }
+ ret = validate_unsigned_int_field(value, expect[i]);
+ if (ret) {
+ goto end;
+ }
+ }
-static
-void test_triggers_buffer_usage_condition(const char *session_name,
- const char *channel_name,
- enum lttng_domain_type domain_type,
- enum lttng_condition_type condition_type)
+ ret = 0;
+end:
+ return ret;
+}
+
+static int validate_string(
+ const struct lttng_event_field_value *event_field,
+ const char *expect)
{
- unsigned int test_vector_size = 5, i;
- enum lttng_condition_status condition_status;
- struct lttng_action *action;
+ int ret;
+ const char *value = NULL;
+ enum lttng_event_field_value_status status;
- /* Set-up */
- action = lttng_action_notify_create();
- if (!action) {
- fail("Setup error on action creation");
+ ret = validate_type(event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_STRING);
+ if (ret) {
goto end;
}
- /* Test lttng_register_trigger with null value */
- ok(lttng_register_trigger(NULL) == -LTTNG_ERR_INVALID, "Registering a NULL trigger fails as expected");
+ status = lttng_event_field_value_string_get_value(event_field, &value);
+ if (!value) {
+ fail("lttng_event_field_value_array_get_length returned an error: status = %d",
+ (int) status);
+ ret = 1;
+ goto end;
+ }
- /* Test: register a trigger */
+ ok(!strcmp(value, expect), "Expected string value \"%s\", got \"%s\"",
+ expect, value);
- for (i = 0; i < pow(2,test_vector_size); i++) {
- int loop_ret = 0;
- char *test_tuple_string = NULL;
- unsigned int mask_position = 0;
- bool session_name_set = false;
- bool channel_name_set = false;
- bool threshold_ratio_set = false;
- bool threshold_byte_set = false;
- bool domain_type_set = false;
+ ret = 0;
+end:
- struct lttng_trigger *trigger = NULL;
- struct lttng_condition *condition = NULL;
+ return ret;
+}
- /* Create base condition */
- switch (condition_type) {
- case LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW:
- condition = lttng_condition_buffer_usage_low_create();
- break;
- case LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH:
- condition = lttng_condition_buffer_usage_high_create();
- break;
- default:
- loop_ret = 1;
- goto loop_end;
- }
+/*
+ * Validate string. Expected value is "test".
+ */
+static int validate_string_test(
+ const struct lttng_event_field_value *event_field,
+ unsigned int iteration)
+{
+ const char * const expect = "test";
- if (!condition) {
- loop_ret = 1;
- goto loop_end;
+ /* Unused. */
+ (void) iteration;
- }
+ return validate_string(event_field, expect);
+}
- /* Prepare the condition for trigger registration test */
+/*
+ * Validate escaped string. Expected value is "\*".
+ */
+static int validate_string_escaped(
+ const struct lttng_event_field_value *event_field,
+ unsigned int iteration)
+{
+ const char * const expect = "\\*";
- /* Set session name */
- if ((1 << mask_position) & i) {
- condition_status = lttng_condition_buffer_usage_set_session_name(
- condition, session_name);
- if (condition_status != LTTNG_CONDITION_STATUS_OK) {
- loop_ret = 1;
- goto loop_end;
- }
- session_name_set = true;
- }
- mask_position++;
+ /* Unused. */
+ (void) iteration;
- /* Set channel name */
- if ((1 << mask_position) & i) {
- condition_status = lttng_condition_buffer_usage_set_channel_name(
- condition, channel_name);
- if (condition_status != LTTNG_CONDITION_STATUS_OK) {
- loop_ret = 1;
- goto loop_end;
- }
- channel_name_set = true;
- }
+ return validate_string(event_field, expect);
+}
+
+/*
+ * Validate real field.
+ */
+static int validate_real(
+ const struct lttng_event_field_value *event_field,
+ double expect)
+{
+ int ret;
+ double value;
+ enum lttng_event_field_value_status status;
+
+ ret = validate_type(event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_REAL);
+ if (ret) {
+ goto end;
+ }
+
+ status = lttng_event_field_value_real_get_value(event_field, &value);
+ if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) {
+ fail("lttng_event_field_value_real_get_value returned an error: status = %d",
+ (int) status);
+ ret = 1;
+ goto end;
+ }
+
+ ok(value == expect, "Expected real value %f, got %f", expect, value);
+ ret = value != expect;
+end:
+ return ret;
+}
+
+/*
+ * Validate floatfield.
+ */
+static int validate_floatfield(
+ const struct lttng_event_field_value *event_field,
+ unsigned int iteration)
+{
+ const double expect = 2222.0;
+
+ /* Unused. */
+ (void) iteration;
+
+ return validate_real(event_field, expect);
+}
+
+/*
+ * Validate doublefield.
+ */
+static int validate_doublefield(
+ const struct lttng_event_field_value *event_field,
+ unsigned int iteration)
+{
+ const double expect = 2.0;
+
+ /* Unused. */
+ (void) iteration;
+
+ return validate_real(event_field, expect);
+}
+
+/*
+ * Validate enum0: enum0 = ( "AUTO: EXPECT 0" : container = 0 )
+ */
+static int validate_enum0(const struct lttng_event_field_value *event_field,
+ unsigned int iteration)
+{
+ int ret;
+ enum lttng_event_field_value_status status;
+ uint64_t value;
+ const uint64_t expected_value = 0;
+
+ /* Unused. */
+ (void) iteration;
+
+ ret = validate_type(event_field,
+ LTTNG_EVENT_FIELD_VALUE_TYPE_UNSIGNED_ENUM);
+ if (ret) {
+ goto end;
+ }
+
+ status = lttng_event_field_value_unsigned_int_get_value(
+ event_field, &value);
+ if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) {
+ fail("lttng_event_field_value_unsigned_int_get_value returned an error: status = %d",
+ (int) status);
+ ret = 1;
+ goto end;
+ }
+
+ ok(value == expected_value,
+ "Expected enum value %" PRIu64 ", got %" PRIu64,
+ expected_value, value);
+
+end:
+ return ret;
+}
+
+/*
+ * Validate enumnegative: enumnegative = ( "AUTO: EXPECT 0" : container = 0 )
+ *
+ * We expect 2 labels here.
+ */
+static int validate_enumnegative(
+ const struct lttng_event_field_value *event_field,
+ unsigned int iteration)
+{
+ int ret;
+ enum lttng_event_field_value_status status;
+ int64_t value;
+ const int64_t expected_value = -1;
+
+ /* Unused. */
+ (void) iteration;
+
+ ret = validate_type(event_field,
+ LTTNG_EVENT_FIELD_VALUE_TYPE_SIGNED_ENUM);
+ if (ret) {
+ goto end;
+ }
+
+ status = lttng_event_field_value_signed_int_get_value(
+ event_field, &value);
+ if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) {
+ fail("lttng_event_field_value_unsigned_int_get_value");
+ ret = 1;
+ goto end;
+ }
+
+ ok(value == expected_value,
+ "Expected enum value %" PRId64 ", got %" PRId64,
+ expected_value, value);
+
+end:
+ return ret;
+}
+
+static int validate_context_procname_ust(
+ const struct lttng_event_field_value *event_field,
+ unsigned int iteration)
+{
+ /* Unused. */
+ (void) iteration;
+ return validate_string(event_field, "gen-ust-events");
+}
+
+static int validate_context_procname_kernel(
+ const struct lttng_event_field_value *event_field,
+ unsigned int iteration)
+{
+ /* Unused. */
+ (void) iteration;
+ return validate_string(event_field, "echo");
+}
+
+struct capture_base_field_tuple test_capture_base_fields[] = {
+ { "DOESNOTEXIST", FIELD_TYPE_PAYLOAD, false, false, NULL, NULL },
+ { "intfield", FIELD_TYPE_PAYLOAD, true, true, validate_unsigned_int_field, validate_unsigned_int_field },
+ { "longfield", FIELD_TYPE_PAYLOAD, true, true, validate_unsigned_int_field, validate_unsigned_int_field },
+ { "signedfield", FIELD_TYPE_PAYLOAD, true, true, validate_signed_int_field, validate_signed_int_field },
+ { "arrfield1", FIELD_TYPE_PAYLOAD, true, true, validate_array_unsigned_int_field, validate_array_unsigned_int_field },
+ { "arrfield2", FIELD_TYPE_PAYLOAD, true, true, validate_string_test, validate_string_test },
+ { "arrfield3", FIELD_TYPE_PAYLOAD, true, true, validate_array_unsigned_int_field, validate_array_unsigned_int_field },
+ { "seqfield1", FIELD_TYPE_PAYLOAD, true, true, validate_seqfield1, validate_seqfield1 },
+ { "seqfield2", FIELD_TYPE_PAYLOAD, true, true, validate_string_test, validate_string_test },
+ { "seqfield3", FIELD_TYPE_PAYLOAD, true, true, validate_array_unsigned_int_field, validate_array_unsigned_int_field },
+ { "seqfield4", FIELD_TYPE_PAYLOAD, true, true, validate_array_unsigned_int_field, validate_array_unsigned_int_field },
+ { "arrfield1[1]", FIELD_TYPE_ARRAY_FIELD, true, true, validate_array_unsigned_int_field_at_index, validate_array_unsigned_int_field_at_index },
+ { "stringfield", FIELD_TYPE_PAYLOAD, true, true, validate_string_test, validate_string_test },
+ { "stringfield2", FIELD_TYPE_PAYLOAD, true, true, validate_string_escaped, validate_string_escaped },
+ { "floatfield", FIELD_TYPE_PAYLOAD, true, false, validate_floatfield, validate_floatfield },
+ { "doublefield", FIELD_TYPE_PAYLOAD, true, false, validate_doublefield, validate_doublefield },
+ { "enum0", FIELD_TYPE_PAYLOAD, true, true, validate_enum0, validate_enum0 },
+ { "enumnegative", FIELD_TYPE_PAYLOAD, true, true, validate_enumnegative, validate_enumnegative },
+ { "$ctx.procname", FIELD_TYPE_CONTEXT, true, true, validate_context_procname_ust, validate_context_procname_kernel },
+};
+
+static const char *get_notification_trigger_name(
+ struct lttng_notification *notification)
+{
+ const char *name = NULL;
+ enum lttng_evaluation_status status;
+ const struct lttng_evaluation *evaluation;
+ evaluation = lttng_notification_get_evaluation(notification);
+ if (evaluation == NULL) {
+ fail("lttng_notification_get_evaluation");
+ goto end;
+ }
+
+ switch (lttng_evaluation_get_type(evaluation)) {
+ case LTTNG_CONDITION_TYPE_ON_EVENT:
+ {
+ status = lttng_evaluation_on_event_get_trigger_name(
+ evaluation, &name);
+ if (status != LTTNG_EVALUATION_STATUS_OK) {
+ fail("lttng_evaluation_on_event_get_trigger_name");
+ name = NULL;
+ goto end;
+ }
+ break;
+ }
+ default:
+ fail("Wrong notification evaluation type \n");
+ goto end;
+ }
+end:
+ return name;
+}
+
+static int validator_notification_trigger_name(
+ struct lttng_notification *notification,
+ const char *trigger_name)
+{
+ int ret;
+ bool name_is_equal;
+ const char *name;
+
+ assert(notification);
+ assert(trigger_name);
+
+ name = get_notification_trigger_name(notification);
+ if (name == NULL) {
+ ret = 1;
+ goto end;
+ }
+
+ name_is_equal = (strcmp(trigger_name, name) == 0);
+ ok(name_is_equal, "Expected trigger name: %s got %s", trigger_name,
+ name);
+
+ ret = !name_is_equal;
+
+end:
+ return ret;
+}
+
+static
+void wait_on_file(const char *path, bool file_exist)
+{
+ if (!path) {
+ return;
+ }
+ for (;;) {
+ int ret;
+ struct stat buf;
+
+ ret = stat(path, &buf);
+ if (ret == -1 && errno == ENOENT) {
+ if (file_exist) {
+ /*
+ * The file does not exist. wait a bit and
+ * continue looping until it does.
+ */
+ (void) poll(NULL, 0, 10);
+ continue;
+ }
+
+ /*
+ * File does not exist and the exit condition we want.
+ * Break from the loop and return.
+ */
+ break;
+ }
+ if (ret) {
+ perror("stat");
+ exit(EXIT_FAILURE);
+ }
+ /*
+ * stat() returned 0, so the file exists. break now only if
+ * that's the exit condition we want.
+ */
+ if (file_exist) {
+ break;
+ }
+ }
+}
+
+static
+int write_pipe(const char *path, uint8_t data)
+{
+ int ret = 0;
+ int fd = 0;
+
+ fd = open(path, O_WRONLY | O_NONBLOCK);
+ if (fd < 0) {
+ perror("Could not open consumer control named pipe");
+ goto end;
+ }
+
+ ret = write(fd, &data , sizeof(data));
+ if (ret < 1) {
+ perror("Named pipe write failed");
+ if (close(fd)) {
+ perror("Named pipe close failed");
+ }
+ ret = -1;
+ goto end;
+ }
+
+ ret = close(fd);
+ if (ret < 0) {
+ perror("Name pipe closing failed");
+ ret = -1;
+ goto end;
+ }
+end:
+ return ret;
+}
+
+static
+int stop_consumer(const char **argv)
+{
+ int ret = 0, i;
+
+ for (i = named_pipe_args_start; i < nb_args; i++) {
+ ret = write_pipe(argv[i], 49);
+ }
+ return ret;
+}
+
+static
+int resume_consumer(const char **argv)
+{
+ int ret = 0, i;
+
+ for (i = named_pipe_args_start; i < nb_args; i++) {
+ ret = write_pipe(argv[i], 0);
+ }
+ return ret;
+}
+
+static
+int suspend_application(void)
+{
+ int ret;
+ struct stat buf;
+
+ if (!stat(app_state_file, &buf)) {
+ fail("App is already in a suspended state.");
+ ret = -1;
+ goto error;
+ }
+
+ /*
+ * Send SIGUSR1 to application instructing it to bypass tracepoint.
+ */
+ assert(app_pid > 1);
+
+ ret = kill(app_pid, SIGUSR1);
+ if (ret) {
+ fail("SIGUSR1 failed. errno %d", errno);
+ ret = -1;
+ goto error;
+ }
+
+ wait_on_file(app_state_file, true);
+
+error:
+ return ret;
+
+}
+
+static
+int resume_application(void)
+{
+ int ret;
+ struct stat buf;
+
+ ret = stat(app_state_file, &buf);
+ if (ret == -1 && errno == ENOENT) {
+ fail("State file does not exist");
+ goto error;
+ }
+ if (ret) {
+ perror("stat");
+ goto error;
+ }
+
+ assert(app_pid > 1);
+
+ ret = kill(app_pid, SIGUSR1);
+ if (ret) {
+ fail("SIGUSR1 failed. errno %d", errno);
+ ret = -1;
+ goto error;
+ }
+
+ wait_on_file(app_state_file, false);
+
+error:
+ return ret;
+
+}
+
+
+static
+void test_triggers_buffer_usage_condition(const char *session_name,
+ const char *channel_name,
+ enum lttng_domain_type domain_type,
+ enum lttng_condition_type condition_type)
+{
+ unsigned int test_vector_size = 5, i;
+ enum lttng_condition_status condition_status;
+ struct lttng_action *action;
+
+ /* Set-up */
+ action = lttng_action_notify_create();
+ if (!action) {
+ fail("Setup error on action creation");
+ goto end;
+ }
+
+ /* Test lttng_register_trigger with null value */
+ ok(lttng_register_trigger(NULL) == -LTTNG_ERR_INVALID, "Registering a NULL trigger fails as expected");
+
+ /* Test: register a trigger */
+
+ for (i = 0; i < pow(2,test_vector_size); i++) {
+ int loop_ret = 0;
+ char *test_tuple_string = NULL;
+ unsigned int mask_position = 0;
+ bool session_name_set = false;
+ bool channel_name_set = false;
+ bool threshold_ratio_set = false;
+ bool threshold_byte_set = false;
+ bool domain_type_set = false;
+
+ struct lttng_trigger *trigger = NULL;
+ struct lttng_condition *condition = NULL;
+
+ /* Create base condition */
+ switch (condition_type) {
+ case LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW:
+ condition = lttng_condition_buffer_usage_low_create();
+ break;
+ case LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH:
+ condition = lttng_condition_buffer_usage_high_create();
+ break;
+ default:
+ loop_ret = 1;
+ goto loop_end;
+ }
+
+ if (!condition) {
+ loop_ret = 1;
+ goto loop_end;
+
+ }
+
+ /* Prepare the condition for trigger registration test */
+
+ /* Set session name */
+ if ((1 << mask_position) & i) {
+ condition_status = lttng_condition_buffer_usage_set_session_name(
+ condition, session_name);
+ if (condition_status != LTTNG_CONDITION_STATUS_OK) {
+ loop_ret = 1;
+ goto loop_end;
+ }
+ session_name_set = true;
+ }
+ mask_position++;
+
+ /* Set channel name */
+ if ((1 << mask_position) & i) {
+ condition_status = lttng_condition_buffer_usage_set_channel_name(
+ condition, channel_name);
+ if (condition_status != LTTNG_CONDITION_STATUS_OK) {
+ loop_ret = 1;
+ goto loop_end;
+ }
+ channel_name_set = true;
+ }
+ mask_position++;
+
+ /* Set threshold ratio */
+ if ((1 << mask_position) & i) {
+ condition_status = lttng_condition_buffer_usage_set_threshold_ratio(
+ condition, 0.0);
+ if (condition_status != LTTNG_CONDITION_STATUS_OK) {
+ loop_ret = 1;
+ goto loop_end;
+ }
+ threshold_ratio_set = true;
+ }
+ mask_position++;
+
+ /* Set threshold byte */
+ if ((1 << mask_position) & i) {
+ condition_status = lttng_condition_buffer_usage_set_threshold(
+ condition, 0);
+ if (condition_status != LTTNG_CONDITION_STATUS_OK) {
+ loop_ret = 1;
+ goto loop_end;
+ }
+ threshold_byte_set = true;
+ }
mask_position++;
- /* Set threshold ratio */
- if ((1 << mask_position) & i) {
- condition_status = lttng_condition_buffer_usage_set_threshold_ratio(
- condition, 0.0);
- if (condition_status != LTTNG_CONDITION_STATUS_OK) {
- loop_ret = 1;
- goto loop_end;
- }
- threshold_ratio_set = true;
+ /* Set domain type */
+ if ((1 << mask_position) & i) {
+ condition_status = lttng_condition_buffer_usage_set_domain_type(
+ condition, LTTNG_DOMAIN_UST);
+ if (condition_status != LTTNG_CONDITION_STATUS_OK) {
+ loop_ret = 1;
+ goto loop_end;
+ }
+ domain_type_set = true;
+ }
+
+ /* Safety check */
+ if (mask_position != test_vector_size -1) {
+ assert("Logic error for test vector generation");
+ }
+
+ loop_ret = asprintf(&test_tuple_string, "session name %s, channel name %s, threshold ratio %s, threshold byte %s, domain type %s",
+ session_name_set ? "set" : "unset",
+ channel_name_set ? "set" : "unset",
+ threshold_ratio_set ? "set" : "unset",
+ threshold_byte_set ? "set" : "unset",
+ domain_type_set? "set" : "unset");
+ if (!test_tuple_string || loop_ret < 0) {
+ loop_ret = 1;
+ goto loop_end;
+ }
+
+ /* Create trigger */
+ trigger = lttng_trigger_create(condition, action);
+ if (!trigger) {
+ loop_ret = 1;
+ goto loop_end;
+ }
+
+ loop_ret = lttng_register_trigger(trigger);
+
+loop_end:
+ if (loop_ret == 1) {
+ fail("Setup error occurred for tuple: %s", test_tuple_string);
+ goto loop_cleanup;
+ }
+
+ /* This combination happens three times */
+ if (session_name_set && channel_name_set
+ && (threshold_ratio_set || threshold_byte_set)
+ && domain_type_set) {
+ ok(loop_ret == 0, "Trigger is registered: %s", test_tuple_string);
+
+ /*
+ * Test that a trigger cannot be registered
+ * multiple time.
+ */
+ loop_ret = lttng_register_trigger(trigger);
+ ok(loop_ret == -LTTNG_ERR_TRIGGER_EXISTS, "Re-register trigger fails as expected: %s", test_tuple_string);
+
+ /* Test that a trigger can be unregistered */
+ loop_ret = lttng_unregister_trigger(trigger);
+ ok(loop_ret == 0, "Unregister trigger: %s", test_tuple_string);
+
+ /*
+ * Test that unregistration of a non-previously
+ * registered trigger fail.
+ */
+ loop_ret = lttng_unregister_trigger(trigger);
+ ok(loop_ret == -LTTNG_ERR_TRIGGER_NOT_FOUND, "Unregister of a non-registered trigger fails as expected: %s", test_tuple_string);
+ } else {
+ ok(loop_ret == -LTTNG_ERR_INVALID_TRIGGER, "Trigger is invalid as expected and cannot be registered: %s", test_tuple_string);
+ }
+
+loop_cleanup:
+ free(test_tuple_string);
+ lttng_trigger_destroy(trigger);
+ lttng_condition_destroy(condition);
+ }
+
+end:
+ lttng_action_destroy(action);
+}
+
+static
+void wait_data_pending(const char *session_name)
+{
+ int ret;
+
+ do {
+ ret = lttng_data_pending(session_name);
+ assert(ret >= 0);
+ } while (ret != 0);
+}
+
+static
+int setup_buffer_usage_condition(struct lttng_condition *condition,
+ const char *condition_name,
+ const char *session_name,
+ const char *channel_name,
+ const enum lttng_domain_type domain_type)
+{
+ enum lttng_condition_status condition_status;
+ int ret = 0;
+
+ condition_status = lttng_condition_buffer_usage_set_session_name(
+ condition, session_name);
+ if (condition_status != LTTNG_CONDITION_STATUS_OK) {
+ fail("Failed to set session name on creation of condition `%s`",
+ condition_name);
+ ret = -1;
+ goto end;
+ }
+
+ condition_status = lttng_condition_buffer_usage_set_channel_name(
+ condition, channel_name);
+ if (condition_status != LTTNG_CONDITION_STATUS_OK) {
+ fail("Failed to set channel name on creation of condition `%s`",
+ condition_name);
+ ret = -1;
+ goto end;
+ }
+
+ condition_status = lttng_condition_buffer_usage_set_domain_type(
+ condition, domain_type);
+ if (condition_status != LTTNG_CONDITION_STATUS_OK) {
+ fail("Failed to set domain type on creation of condition `%s`",
+ condition_name);
+ ret = -1;
+ goto end;
+ }
+
+end:
+ return ret;
+}
+
+static
+void test_invalid_channel_subscription(
+ const enum lttng_domain_type domain_type)
+{
+ enum lttng_condition_status condition_status;
+ enum lttng_notification_channel_status nc_status;
+ struct lttng_condition *dummy_condition = NULL;
+ struct lttng_condition *dummy_invalid_condition = NULL;
+ struct lttng_notification_channel *notification_channel = NULL;
+ int ret = 0;
+
+ notification_channel = lttng_notification_channel_create(
+ lttng_session_daemon_notification_endpoint);
+ ok(notification_channel, "Notification channel object creation");
+ if (!notification_channel) {
+ goto end;
+ }
+
+ /*
+ * Create a dummy, empty (thus invalid) condition to test error paths.
+ */
+ dummy_invalid_condition = lttng_condition_buffer_usage_low_create();
+ if (!dummy_invalid_condition) {
+ fail("Setup error on condition creation");
+ goto end;
+ }
+
+ /*
+ * Test subscription and unsubscription of an invalid condition to/from
+ * a channel.
+ */
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, dummy_invalid_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID,
+ "Subscribing to an invalid condition");
+
+ nc_status = lttng_notification_channel_unsubscribe(
+ notification_channel, dummy_invalid_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID,
+ "Unsubscribing from an invalid condition");
+
+ /* Create a valid dummy condition with a ratio of 0.5 */
+ dummy_condition = lttng_condition_buffer_usage_low_create();
+ if (!dummy_condition) {
+ fail("Setup error on dummy_condition creation");
+ goto end;
+ }
+
+ condition_status = lttng_condition_buffer_usage_set_threshold_ratio(
+ dummy_condition, 0.5);
+ if (condition_status != LTTNG_CONDITION_STATUS_OK) {
+ fail("Setup error on condition creation");
+ goto end;
+ }
+
+ ret = setup_buffer_usage_condition(dummy_condition, "dummy_condition",
+ "dummy_session", "dummy_channel", domain_type);
+ if (ret) {
+ fail("Setup error on dummy condition creation");
+ goto end;
+ }
+
+ /*
+ * Test subscription and unsubscription to/from a channel with invalid
+ * parameters.
+ */
+ nc_status = lttng_notification_channel_subscribe(NULL, NULL);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID,
+ "Notification channel subscription is invalid: NULL, NULL");
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, NULL);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID,
+ "Notification channel subscription is invalid: NON-NULL, NULL");
+
+ nc_status = lttng_notification_channel_subscribe(NULL, dummy_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID,
+ "Notification channel subscription is invalid: NULL, NON-NULL");
+
+ nc_status = lttng_notification_channel_unsubscribe(
+ notification_channel, dummy_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_UNKNOWN_CONDITION,
+ "Unsubscribing from a valid unknown condition");
+
+end:
+ lttng_notification_channel_destroy(notification_channel);
+ lttng_condition_destroy(dummy_invalid_condition);
+ lttng_condition_destroy(dummy_condition);
+ return;
+}
+
+enum buffer_usage_type {
+ BUFFER_USAGE_TYPE_LOW,
+ BUFFER_USAGE_TYPE_HIGH,
+};
+
+static int register_buffer_usage_notify_trigger(const char *session_name,
+ const char *channel_name,
+ const enum lttng_domain_type domain_type,
+ enum buffer_usage_type buffer_usage_type,
+ double ratio,
+ struct lttng_condition **condition,
+ struct lttng_action **action,
+ struct lttng_trigger **trigger)
+{
+ enum lttng_condition_status condition_status;
+ struct lttng_action *tmp_action = NULL;
+ struct lttng_condition *tmp_condition = NULL;
+ struct lttng_trigger *tmp_trigger = NULL;
+ int ret = 0;
+
+ /* Set-up */
+ tmp_action = lttng_action_notify_create();
+ if (!action) {
+ fail("Setup error on action creation");
+ ret = -1;
+ goto error;
+ }
+
+ if (buffer_usage_type == BUFFER_USAGE_TYPE_LOW) {
+ tmp_condition = lttng_condition_buffer_usage_low_create();
+ } else {
+ tmp_condition = lttng_condition_buffer_usage_high_create();
+ }
+
+ if (!tmp_condition) {
+ fail("Setup error on condition creation");
+ ret = -1;
+ goto error;
+ }
+
+ /* Set the buffer usage threashold */
+ condition_status = lttng_condition_buffer_usage_set_threshold_ratio(
+ tmp_condition, ratio);
+ if (condition_status != LTTNG_CONDITION_STATUS_OK) {
+ fail("Setup error on condition creation");
+ ret = -1;
+ goto error;
+ }
+
+ ret = setup_buffer_usage_condition(tmp_condition, "condition_name",
+ session_name, channel_name, domain_type);
+ if (ret) {
+ fail("Setup error on condition creation");
+ ret = -1;
+ goto error;
+ }
+
+ /* Register the trigger for condition. */
+ tmp_trigger = lttng_trigger_create(tmp_condition, tmp_action);
+ if (!tmp_trigger) {
+ fail("Setup error on trigger creation");
+ ret = -1;
+ goto error;
+ }
+
+ ret = lttng_register_trigger(tmp_trigger);
+ if (ret) {
+ fail("Setup error on trigger registration");
+ ret = -1;
+ goto error;
+ }
+
+ *condition = tmp_condition;
+ *trigger = tmp_trigger;
+ *action = tmp_action;
+ goto end;
+
+error:
+ lttng_action_destroy(tmp_action);
+ lttng_condition_destroy(tmp_condition);
+ lttng_trigger_destroy(tmp_trigger);
+
+end:
+ return ret;
+}
+
+static void test_subscription_twice(const char *session_name,
+ const char *channel_name,
+ const enum lttng_domain_type domain_type)
+{
+ int ret = 0;
+ enum lttng_notification_channel_status nc_status;
+
+ struct lttng_action *action = NULL;
+ struct lttng_notification_channel *notification_channel = NULL;
+ struct lttng_trigger *trigger = NULL;
+
+ struct lttng_condition *condition = NULL;
+
+ ret = register_buffer_usage_notify_trigger(session_name, channel_name,
+ domain_type, BUFFER_USAGE_TYPE_LOW, 0.99, &condition,
+ &action, &trigger);
+ if (ret) {
+ fail("Setup error on trigger registration");
+ goto end;
+ }
+
+ /* Begin testing. */
+ notification_channel = lttng_notification_channel_create(
+ lttng_session_daemon_notification_endpoint);
+ ok(notification_channel, "Notification channel object creation");
+ if (!notification_channel) {
+ goto end;
+ }
+
+ /* Subscribe a valid condition. */
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to condition");
+
+ /* Subscribing again should fail. */
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_ALREADY_SUBSCRIBED,
+ "Subscribe to a condition for which subscription was already done");
+
+end:
+ lttng_unregister_trigger(trigger);
+ lttng_trigger_destroy(trigger);
+ lttng_notification_channel_destroy(notification_channel);
+ lttng_action_destroy(action);
+ lttng_condition_destroy(condition);
+}
+
+static void test_buffer_usage_notification_channel(const char *session_name,
+ const char *channel_name,
+ const enum lttng_domain_type domain_type,
+ const char **argv)
+{
+ int ret = 0;
+ enum lttng_notification_channel_status nc_status;
+
+ struct lttng_action *low_action = NULL;
+ struct lttng_action *high_action = NULL;
+ struct lttng_notification *notification = NULL;
+ struct lttng_notification_channel *notification_channel = NULL;
+ struct lttng_trigger *low_trigger = NULL;
+ struct lttng_trigger *high_trigger = NULL;
+
+ struct lttng_condition *low_condition = NULL;
+ struct lttng_condition *high_condition = NULL;
+
+ const double low_ratio = 0.0;
+ const double high_ratio = 0.90;
+
+ ret = register_buffer_usage_notify_trigger(session_name, channel_name,
+ domain_type, BUFFER_USAGE_TYPE_LOW, low_ratio,
+ &low_condition, &low_action, &low_trigger);
+ if (ret) {
+ fail("Setup error on low trigger registration");
+ goto end;
+ }
+
+ ret = register_buffer_usage_notify_trigger(session_name, channel_name,
+ domain_type, BUFFER_USAGE_TYPE_HIGH, high_ratio,
+ &high_condition, &high_action, &high_trigger);
+ if (ret) {
+ fail("Setup error on high trigger registration");
+ goto end;
+ }
+
+ /* Begin testing */
+ notification_channel = lttng_notification_channel_create(
+ lttng_session_daemon_notification_endpoint);
+ ok(notification_channel, "Notification channel object creation");
+ if (!notification_channel) {
+ goto end;
+ }
+
+ /* Subscribe a valid low condition */
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, low_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to low condition");
+
+ /* Subscribe a valid high condition */
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, high_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to high condition");
+
+ resume_application();
+
+ /* Wait for notification to happen */
+ stop_consumer(argv);
+ lttng_start_tracing(session_name);
+
+ /* Wait for high notification */
+ do {
+ nc_status = lttng_notification_channel_get_next_notification(
+ notification_channel, ¬ification);
+ } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification &&
+ lttng_condition_get_type(lttng_notification_get_condition(
+ notification)) ==
+ LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH,
+ "High notification received after intermediary communication");
+ lttng_notification_destroy(notification);
+ notification = NULL;
+
+ suspend_application();
+ lttng_stop_tracing_no_wait(session_name);
+ resume_consumer(argv);
+ wait_data_pending(session_name);
+
+ /*
+ * Test that communication still work even if there is notification
+ * waiting for consumption.
+ */
+
+ nc_status = lttng_notification_channel_unsubscribe(
+ notification_channel, low_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Unsubscribe with pending notification");
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, low_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe with pending notification");
+
+ do {
+ nc_status = lttng_notification_channel_get_next_notification(
+ notification_channel, ¬ification);
+ } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification &&
+ lttng_condition_get_type(lttng_notification_get_condition(
+ notification)) ==
+ LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW,
+ "Low notification received after intermediary communication");
+ lttng_notification_destroy(notification);
+ notification = NULL;
+
+ /* Stop consumer to force a high notification */
+ stop_consumer(argv);
+ resume_application();
+ lttng_start_tracing(session_name);
+
+ do {
+ nc_status = lttng_notification_channel_get_next_notification(
+ notification_channel, ¬ification);
+ } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification &&
+ lttng_condition_get_type(lttng_notification_get_condition(
+ notification)) ==
+ LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH,
+ "High notification received after intermediary communication");
+ lttng_notification_destroy(notification);
+ notification = NULL;
+
+ suspend_application();
+ lttng_stop_tracing_no_wait(session_name);
+ resume_consumer(argv);
+ wait_data_pending(session_name);
+
+ do {
+ nc_status = lttng_notification_channel_get_next_notification(
+ notification_channel, ¬ification);
+ } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification &&
+ lttng_condition_get_type(lttng_notification_get_condition(
+ notification)) ==
+ LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW,
+ "Low notification received after re-subscription");
+ lttng_notification_destroy(notification);
+ notification = NULL;
+
+ stop_consumer(argv);
+ resume_application();
+ /* Stop consumer to force a high notification */
+ lttng_start_tracing(session_name);
+
+ do {
+ nc_status = lttng_notification_channel_get_next_notification(
+ notification_channel, ¬ification);
+ } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification &&
+ lttng_condition_get_type(lttng_notification_get_condition(
+ notification)) ==
+ LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH,
+ "High notification");
+ lttng_notification_destroy(notification);
+ notification = NULL;
+
+ suspend_application();
+
+ /* Resume consumer to allow event consumption */
+ lttng_stop_tracing_no_wait(session_name);
+ resume_consumer(argv);
+ wait_data_pending(session_name);
+
+ nc_status = lttng_notification_channel_unsubscribe(
+ notification_channel, low_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Unsubscribe low condition with pending notification");
+
+ nc_status = lttng_notification_channel_unsubscribe(
+ notification_channel, high_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Unsubscribe high condition with pending notification");
+
+end:
+ lttng_notification_channel_destroy(notification_channel);
+ lttng_trigger_destroy(low_trigger);
+ lttng_trigger_destroy(high_trigger);
+ lttng_action_destroy(low_action);
+ lttng_action_destroy(high_action);
+ lttng_condition_destroy(low_condition);
+ lttng_condition_destroy(high_condition);
+}
+
+static void create_tracepoint_event_rule_trigger(const char *event_pattern,
+ const char *trigger_name,
+ const char *filter,
+ unsigned int exclusion_count,
+ const char * const *exclusions,
+ enum lttng_domain_type domain_type,
+ condition_capture_desc_cb capture_desc_cb,
+ struct lttng_condition **condition,
+ struct lttng_trigger **trigger)
+{
+ enum lttng_event_rule_status event_rule_status;
+ enum lttng_trigger_status trigger_status;
+
+ struct lttng_action *tmp_action = NULL;
+ struct lttng_event_rule *event_rule = NULL;
+ struct lttng_condition *tmp_condition = NULL;
+ struct lttng_trigger *tmp_trigger = NULL;
+ int ret;
+
+ assert(event_pattern);
+ assert(trigger_name);
+ assert(condition);
+ assert(trigger);
+
+ event_rule = lttng_event_rule_tracepoint_create(domain_type);
+ ok(event_rule, "Tracepoint event rule object creation");
+
+ event_rule_status = lttng_event_rule_tracepoint_set_pattern(
+ event_rule, event_pattern);
+ ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK,
+ "Setting tracepoint event rule pattern: '%s'",
+ event_pattern);
+
+ if (filter) {
+ event_rule_status = lttng_event_rule_tracepoint_set_filter(
+ event_rule, filter);
+ ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK,
+ "Setting tracepoint event rule filter: '%s'",
+ filter);
+ }
+
+ if (exclusions) {
+ int i;
+ bool success = true;
+
+ assert(domain_type == LTTNG_DOMAIN_UST);
+ assert(exclusion_count > 0);
+
+ for (i = 0; i < exclusion_count; i++) {
+ event_rule_status =
+ lttng_event_rule_tracepoint_add_exclusion(
+ event_rule,
+ exclusions[i]);
+ if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) {
+ fail("Setting tracepoint event rule exclusion '%s'.",
+ exclusions[i]);
+ success = false;
+ }
+ }
+
+ ok(success, "Setting tracepoint event rule exclusions");
+ }
+
+ tmp_condition = lttng_condition_on_event_create(event_rule);
+ ok(tmp_condition, "Condition event rule object creation");
+
+ if (capture_desc_cb) {
+ ret = capture_desc_cb(tmp_condition);
+ if (ret) {
+ fail("Failed to generate the condition capture descriptor");
+ abort();
+ }
+ }
+
+ tmp_action = lttng_action_notify_create();
+ ok(tmp_action, "Action event rule object creation");
+
+ tmp_trigger = lttng_trigger_create(tmp_condition, tmp_action);
+ ok(tmp_trigger, "Trigger object creation %s", trigger_name);
+
+ trigger_status = lttng_trigger_set_name(tmp_trigger, trigger_name);
+ ok(trigger_status == LTTNG_TRIGGER_STATUS_OK,
+ "Setting name to trigger %s", trigger_name);
+
+ ret = lttng_register_trigger(tmp_trigger);
+ ok(ret == 0, "Trigger registration %s", trigger_name);
+
+ lttng_event_rule_destroy(event_rule);
+
+ *condition = tmp_condition;
+ *trigger = tmp_trigger;
+
+ return;
+}
+
+static struct lttng_notification *get_next_notification(
+ struct lttng_notification_channel *notification_channel)
+{
+ struct lttng_notification *local_notification = NULL;
+ enum lttng_notification_channel_status status;
+
+ /* Receive the next notification. */
+ status = lttng_notification_channel_get_next_notification(
+ notification_channel, &local_notification);
+
+ switch (status) {
+ case LTTNG_NOTIFICATION_CHANNEL_STATUS_OK:
+ break;
+ case LTTNG_NOTIFICATION_CHANNEL_STATUS_NOTIFICATIONS_DROPPED:
+ fail("Notifications have been dropped");
+ local_notification = NULL;
+ break;
+ default:
+ /* Unhandled conditions / errors. */
+ fail("Failed to get next notification (unknown notification channel status): status = %d",
+ (int) status);
+ local_notification = NULL;
+ break;
+ }
+
+ return local_notification;
+}
+
+static void test_tracepoint_event_rule_notification(
+ enum lttng_domain_type domain_type)
+{
+ int i;
+ int ret;
+ const int notification_count = 3;
+ enum lttng_notification_channel_status nc_status;
+ struct lttng_action *action = NULL;
+ struct lttng_condition *condition = NULL;
+ struct lttng_notification_channel *notification_channel = NULL;
+ struct lttng_trigger *trigger = NULL;
+ const char * const trigger_name = "my_precious";
+ const char *pattern;
+
+ if (domain_type == LTTNG_DOMAIN_UST) {
+ pattern = "tp:tptest";
+ } else {
+ pattern = "lttng_test_filter_event";
+ }
+
+ create_tracepoint_event_rule_trigger(pattern, trigger_name, NULL, 0,
+ NULL, domain_type, NULL, &condition, &trigger);
+
+ notification_channel = lttng_notification_channel_create(
+ lttng_session_daemon_notification_endpoint);
+ ok(notification_channel, "Notification channel object creation");
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to tracepoint event rule condition");
+
+ resume_application();
+
+ /* Get notifications. */
+ for (i = 0; i < notification_count; i++) {
+ struct lttng_notification *notification = get_next_notification(
+ notification_channel);
+
+ ok(notification, "Received notification (%d/%d)", i + 1,
+ notification_count);
+
+ /* Error. */
+ if (notification == NULL) {
+ goto end;
+ }
+
+ ret = validator_notification_trigger_name(notification, trigger_name);
+ lttng_notification_destroy(notification);
+ if (ret) {
+ goto end;
+ }
+ }
+
+end:
+ suspend_application();
+ lttng_notification_channel_destroy(notification_channel);
+ lttng_unregister_trigger(trigger);
+ lttng_trigger_destroy(trigger);
+ lttng_action_destroy(action);
+ lttng_condition_destroy(condition);
+ return;
+}
+
+static void test_tracepoint_event_rule_notification_filter(
+ enum lttng_domain_type domain_type)
+{
+ int i;
+ const int notification_count = 3;
+ enum lttng_notification_channel_status nc_status;
+ struct lttng_condition *ctrl_condition = NULL, *condition = NULL;
+ struct lttng_notification_channel *notification_channel = NULL;
+ struct lttng_trigger *ctrl_trigger = NULL, *trigger = NULL;
+ const char * const ctrl_trigger_name = "control_trigger";
+ const char * const trigger_name = "trigger";
+ const char *pattern;
+ int ctrl_count = 0, count = 0;
+
+ if (domain_type == LTTNG_DOMAIN_UST) {
+ pattern = "tp:tptest";
+ } else {
+ pattern = "lttng_test_filter_event";
+ }
+
+ notification_channel = lttng_notification_channel_create(
+ lttng_session_daemon_notification_endpoint);
+ ok(notification_channel, "Notification channel object creation");
+
+ create_tracepoint_event_rule_trigger(pattern, ctrl_trigger_name, NULL,
+ 0, NULL, domain_type, NULL, &ctrl_condition, &ctrl_trigger);
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, ctrl_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to tracepoint event rule condition");
+
+ /*
+ * Attach a filter expression to get notification only if the
+ * `intfield` is even.
+ */
+ create_tracepoint_event_rule_trigger(pattern, trigger_name,
+ "(intfield & 1) == 0", 0, NULL, domain_type, NULL, &condition,
+ &trigger);
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to tracepoint event rule condition");
+
+ /*
+ * We registered 2 notifications triggers, one with a filter and one
+ * without (control). The one with a filter will only fired when the
+ * `intfield` is a multiple of 2. We should get two times as many
+ * control notifications as filter notifications.
+ */
+ resume_application();
+
+ /*
+ * Get 3 notifications. We should get 1 for the regular trigger (with
+ * the filter) and 2 from the control trigger. This works whatever
+ * the order we receive the notifications.
+ */
+ for (i = 0; i < notification_count; i++) {
+ const char *name;
+ struct lttng_notification *notification = get_next_notification(
+ notification_channel);
+
+ ok(notification, "Received notification (%d/%d)", i + 1,
+ notification_count);
+
+ /* Error. */
+ if (notification == NULL) {
+ goto end;
}
- mask_position++;
- /* Set threshold byte */
- if ((1 << mask_position) & i) {
- condition_status = lttng_condition_buffer_usage_set_threshold(
- condition, 0);
- if (condition_status != LTTNG_CONDITION_STATUS_OK) {
- loop_ret = 1;
- goto loop_end;
- }
- threshold_byte_set = true;
+ name = get_notification_trigger_name(notification);
+ if (name == NULL) {
+ lttng_notification_destroy(notification);
+ goto end;
}
- mask_position++;
- /* Set domain type */
- if ((1 << mask_position) & i) {
- condition_status = lttng_condition_buffer_usage_set_domain_type(
- condition, LTTNG_DOMAIN_UST);
- if (condition_status != LTTNG_CONDITION_STATUS_OK) {
- loop_ret = 1;
- goto loop_end;
- }
- domain_type_set = true;
+ if (strcmp(ctrl_trigger_name, name) == 0) {
+ ctrl_count++;
+ } else if (strcmp(trigger_name, name) == 0) {
+ count++;
}
- /* Safety check */
- if (mask_position != test_vector_size -1) {
- assert("Logic error for test vector generation");
+ lttng_notification_destroy(notification);
+ }
+
+ ok(ctrl_count / 2 == count,
+ "Get twice as many control notif as of regular notif");
+
+end:
+ suspend_application();
+
+ lttng_unregister_trigger(trigger);
+ lttng_unregister_trigger(ctrl_trigger);
+ lttng_notification_channel_destroy(notification_channel);
+ lttng_trigger_destroy(trigger);
+ lttng_trigger_destroy(ctrl_trigger);
+ lttng_condition_destroy(condition);
+ lttng_condition_destroy(ctrl_condition);
+}
+
+static void test_tracepoint_event_rule_notification_exclusion(
+ enum lttng_domain_type domain_type)
+{
+ enum lttng_notification_channel_status nc_status;
+ struct lttng_condition *ctrl_condition = NULL, *condition = NULL;
+ struct lttng_notification_channel *notification_channel = NULL;
+ struct lttng_trigger *ctrl_trigger = NULL, *trigger = NULL;
+ int ctrl_count = 0, count = 0, i;
+ const int notification_count = 6;
+ const char * const ctrl_trigger_name = "control_exclusion_trigger";
+ const char * const trigger_name = "exclusion_trigger";
+ const char * const pattern = "tp:tptest*";
+ const char * const exclusions[] = {
+ "tp:tptest2",
+ "tp:tptest3",
+ "tp:tptest4",
+ "tp:tptest5"
+ };
+
+ notification_channel = lttng_notification_channel_create(
+ lttng_session_daemon_notification_endpoint);
+ ok(notification_channel, "Notification channel object creation");
+
+ create_tracepoint_event_rule_trigger(pattern, ctrl_trigger_name, NULL,
+ 0, NULL, domain_type, NULL, &ctrl_condition,
+ &ctrl_trigger);
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, ctrl_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to tracepoint event rule condition");
+
+ create_tracepoint_event_rule_trigger(pattern, trigger_name, NULL, 4,
+ exclusions, domain_type, NULL, &condition,
+ &trigger);
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to tracepoint event rule condition");
+
+ /*
+ * We registered 2 notifications triggers, one with an exclusion and
+ * one without (control).
+ * - The trigger with an exclusion will fire once every iteration.
+ * - The trigger without an exclusion will fire 5 times every
+ * iteration.
+ *
+ * We should get 5 times as many notifications from the control
+ * trigger.
+ */
+ resume_application();
+
+ /*
+ * Get 6 notifications. We should get 1 for the regular trigger (with
+ * the exclusion) and 5 from the control trigger. This works whatever
+ * the order we receive the notifications.
+ */
+ for (i = 0; i < notification_count; i++) {
+ const char *name;
+ struct lttng_notification *notification = get_next_notification(
+ notification_channel);
+
+ ok(notification, "Received notification (%d/%d)", i + 1,
+ notification_count);
+
+ /* Error. */
+ if (notification == NULL) {
+ goto end;
}
- loop_ret = asprintf(&test_tuple_string, "session name %s, channel name %s, threshold ratio %s, threshold byte %s, domain type %s",
- session_name_set ? "set" : "unset",
- channel_name_set ? "set" : "unset",
- threshold_ratio_set ? "set" : "unset",
- threshold_byte_set ? "set" : "unset",
- domain_type_set? "set" : "unset");
- if (!test_tuple_string || loop_ret < 0) {
- loop_ret = 1;
- goto loop_end;
+ name = get_notification_trigger_name(notification);
+ if (name == NULL) {
+ lttng_notification_destroy(notification);
+ goto end;
}
- /* Create trigger */
- trigger = lttng_trigger_create(condition, action);
- if (!trigger) {
- loop_ret = 1;
- goto loop_end;
+ if (strcmp(ctrl_trigger_name, name) == 0) {
+ ctrl_count++;
+ } else if (strcmp(trigger_name, name) == 0) {
+ count++;
}
- loop_ret = lttng_register_trigger(trigger);
+ lttng_notification_destroy(notification);
+ }
-loop_end:
- if (loop_ret == 1) {
- fail("Setup error occurred for tuple: %s", test_tuple_string);
- goto loop_cleanup;
- }
+ ok(ctrl_count / 5 == count,
+ "Got 5 times as many control notif as of regular notif");
- /* This combination happens three times */
- if (session_name_set && channel_name_set
- && (threshold_ratio_set || threshold_byte_set)
- && domain_type_set) {
- ok(loop_ret == 0, "Trigger is registered: %s", test_tuple_string);
+end:
+ suspend_application();
- /*
- * Test that a trigger cannot be registered
- * multiple time.
- */
- loop_ret = lttng_register_trigger(trigger);
- ok(loop_ret == -LTTNG_ERR_TRIGGER_EXISTS, "Re-register trigger fails as expected: %s", test_tuple_string);
+ lttng_unregister_trigger(trigger);
+ lttng_unregister_trigger(ctrl_trigger);
+ lttng_notification_channel_destroy(notification_channel);
+ lttng_trigger_destroy(trigger);
+ lttng_trigger_destroy(ctrl_trigger);
+ lttng_condition_destroy(condition);
+ lttng_condition_destroy(ctrl_condition);
+ return;
+}
- /* Test that a trigger can be unregistered */
- loop_ret = lttng_unregister_trigger(trigger);
- ok(loop_ret == 0, "Unregister trigger: %s", test_tuple_string);
+static void test_kprobe_event_rule_notification(
+ enum lttng_domain_type domain_type)
+{
+ int i, ret;
+ const int notification_count = 3;
+ enum lttng_notification_channel_status nc_status;
+ enum lttng_event_rule_status event_rule_status;
+ enum lttng_trigger_status trigger_status;
+ struct lttng_notification_channel *notification_channel = NULL;
+ struct lttng_condition *condition = NULL;
+ struct lttng_kernel_probe_location *location = NULL;
+ struct lttng_event_rule *event_rule = NULL;
+ struct lttng_action *action = NULL;
+ struct lttng_trigger *trigger = NULL;
+ const char * const trigger_name = "kprobe_trigger";
+ const char * const symbol_name = "lttng_test_filter_event_write";
- /*
- * Test that unregistration of a non-previously
- * registered trigger fail.
- */
- loop_ret = lttng_unregister_trigger(trigger);
- ok(loop_ret == -LTTNG_ERR_TRIGGER_NOT_FOUND, "Unregister of a non-registered trigger fails as expected: %s", test_tuple_string);
- } else {
- ok(loop_ret == -LTTNG_ERR_INVALID_TRIGGER, "Trigger is invalid as expected and cannot be registered: %s", test_tuple_string);
+ action = lttng_action_notify_create();
+ if (!action) {
+ fail("Failed to create notify action");
+ goto end;
+ }
+
+ location = lttng_kernel_probe_location_symbol_create(symbol_name, 0);
+ if (!location) {
+ fail("Failed to create kernel probe location");
+ goto end;
+ }
+
+ notification_channel = lttng_notification_channel_create(
+ lttng_session_daemon_notification_endpoint);
+ ok(notification_channel, "Notification channel object creation");
+
+ event_rule = lttng_event_rule_kernel_probe_create(location);
+ ok(event_rule, "kprobe event rule object creation");
+
+ event_rule_status = lttng_event_rule_kernel_probe_set_event_name(
+ event_rule, trigger_name);
+ ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK,
+ "Setting kprobe event rule name: '%s'", trigger_name);
+
+ condition = lttng_condition_on_event_create(event_rule);
+ ok(condition, "Condition event rule object creation");
+
+ /* Register the trigger for condition. */
+ trigger = lttng_trigger_create(condition, action);
+ if (!trigger) {
+ fail("Failed to create trigger with kernel probe event rule condition and notify action");
+ goto end;
+ }
+
+ trigger_status = lttng_trigger_set_name(trigger, trigger_name);
+ ok(trigger_status == LTTNG_TRIGGER_STATUS_OK,
+ "Setting trigger name to '%s'", trigger_name);
+
+ ret = lttng_register_trigger(trigger);
+ if (ret) {
+ fail("Failed to register trigger with kernel probe event rule condition and notify action");
+ goto end;
+ }
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to tracepoint event rule condition");
+
+ resume_application();
+
+ for (i = 0; i < notification_count; i++) {
+ struct lttng_notification *notification = get_next_notification(
+ notification_channel);
+
+ ok(notification, "Received notification (%d/%d)", i + 1,
+ notification_count);
+
+ /* Error. */
+ if (notification == NULL) {
+ goto end;
}
-loop_cleanup:
- free(test_tuple_string);
- lttng_trigger_destroy(trigger);
- lttng_condition_destroy(condition);
+ ret = validator_notification_trigger_name(notification, trigger_name);
+ lttng_notification_destroy(notification);
+ if (ret) {
+ goto end;
+ }
}
end:
+ suspend_application();
+ lttng_notification_channel_destroy(notification_channel);
+ lttng_unregister_trigger(trigger);
+ lttng_trigger_destroy(trigger);
lttng_action_destroy(action);
+ lttng_event_rule_destroy(event_rule);
+ lttng_condition_destroy(condition);
+ lttng_kernel_probe_location_destroy(location);
+ return;
}
-static
-void wait_data_pending(const char *session_name)
+static void test_uprobe_event_rule_notification(
+ enum lttng_domain_type domain_type,
+ const char *testapp_path,
+ const char *test_symbol_name)
{
- int ret;
+ int i, ret;
+ const int notification_count = 3;
+ enum lttng_notification_channel_status nc_status;
+ enum lttng_event_rule_status event_rule_status;
+ enum lttng_trigger_status trigger_status;
+ struct lttng_notification_channel *notification_channel = NULL;
+ struct lttng_userspace_probe_location *probe_location = NULL;
+ struct lttng_userspace_probe_location_lookup_method *lookup_method =
+ NULL;
+ struct lttng_condition *condition = NULL;
+ struct lttng_event_rule *event_rule = NULL;
+ struct lttng_action *action = NULL;
+ struct lttng_trigger *trigger = NULL;
+ const char * const trigger_name = "uprobe_trigger";
- do {
- ret = lttng_data_pending(session_name);
- assert(ret >= 0);
- } while (ret != 0);
+ action = lttng_action_notify_create();
+ if (!action) {
+ fail("Failed to create notify action");
+ goto end;
+ }
+
+ lookup_method = lttng_userspace_probe_location_lookup_method_function_elf_create();
+ if (!lookup_method) {
+ fail("Setup error on userspace probe lookup method creation");
+ goto end;
+ }
+
+ probe_location = lttng_userspace_probe_location_function_create(
+ testapp_path, test_symbol_name, lookup_method);
+ if (!probe_location) {
+ fail("Failed to create userspace probe location");
+ goto end;
+ }
+
+ notification_channel = lttng_notification_channel_create(
+ lttng_session_daemon_notification_endpoint);
+ ok(notification_channel, "Notification channel object creation");
+
+ event_rule = lttng_event_rule_userspace_probe_create();
+ ok(event_rule, "kprobe event rule object creation");
+
+ event_rule_status = lttng_event_rule_userspace_probe_set_location(
+ event_rule, probe_location);
+ ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK,
+ "Setting uprobe event rule location");
+
+ event_rule_status = lttng_event_rule_userspace_probe_set_event_name(
+ event_rule, trigger_name);
+ ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK,
+ "Setting uprobe event rule name: '%s'", trigger_name);
+
+ condition = lttng_condition_on_event_create(event_rule);
+ ok(condition, "Condition event rule object creation");
+
+ /* Register the trigger for condition. */
+ trigger = lttng_trigger_create(condition, action);
+ if (!trigger) {
+ fail("Failed to create trigger with userspace probe event rule condition and notify action");
+ goto end;
+ }
+
+ trigger_status = lttng_trigger_set_name(trigger, trigger_name);
+ ok(trigger_status == LTTNG_TRIGGER_STATUS_OK,
+ "Setting name to trigger '%s'", trigger_name);
+
+ ret = lttng_register_trigger(trigger);
+ if (ret) {
+ fail("Failed to register trigger with userspace probe event rule condition and notify action");
+ goto end;
+ }
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to tracepoint event rule condition");
+
+ resume_application();
+
+ for (i = 0; i < 3; i++) {
+ struct lttng_notification *notification = get_next_notification(
+ notification_channel);
+
+ ok(notification, "Received notification (%d/%d)", i + 1,
+ notification_count);
+
+ /* Error. */
+ if (notification == NULL) {
+ goto end;
+ }
+
+ ret = validator_notification_trigger_name(notification, trigger_name);
+ lttng_notification_destroy(notification);
+ if (ret) {
+ goto end;
+ }
+ }
+end:
+ suspend_application();
+
+ lttng_notification_channel_destroy(notification_channel);
+ lttng_unregister_trigger(trigger);
+ lttng_trigger_destroy(trigger);
+ lttng_action_destroy(action);
+ lttng_userspace_probe_location_destroy(probe_location);
+ lttng_event_rule_destroy(event_rule);
+ lttng_condition_destroy(condition);
+ return;
}
-static
-int setup_buffer_usage_condition(struct lttng_condition *condition,
- const char *condition_name,
- const char *session_name,
- const char *channel_name,
- const enum lttng_domain_type domain_type)
+static void test_syscall_event_rule_notification(
+ enum lttng_domain_type domain_type)
{
- enum lttng_condition_status condition_status;
- int ret = 0;
+ int i, ret;
+ const int notification_count = 3;
+ enum lttng_notification_channel_status nc_status;
+ enum lttng_event_rule_status event_rule_status;
+ enum lttng_trigger_status trigger_status;
+ struct lttng_notification_channel *notification_channel = NULL;
+ struct lttng_condition *condition = NULL;
+ struct lttng_event_rule *event_rule = NULL;
+ struct lttng_action *action = NULL;
+ struct lttng_trigger *trigger = NULL;
+ const char * const trigger_name = "syscall_trigger";
+ const char * const syscall_name = "openat";
- condition_status = lttng_condition_buffer_usage_set_session_name(
- condition, session_name);
- if (condition_status != LTTNG_CONDITION_STATUS_OK) {
- fail("Failed to set session name on creation of condition `%s`",
- condition_name);
- ret = -1;
+ action = lttng_action_notify_create();
+ if (!action) {
+ fail("Failed to create notify action");
goto end;
}
- condition_status = lttng_condition_buffer_usage_set_channel_name(
- condition, channel_name);
- if (condition_status != LTTNG_CONDITION_STATUS_OK) {
- fail("Failed to set channel name on creation of condition `%s`",
- condition_name);
- ret = -1;
+ notification_channel = lttng_notification_channel_create(
+ lttng_session_daemon_notification_endpoint);
+ ok(notification_channel, "Notification channel object creation");
+
+ event_rule = lttng_event_rule_syscall_create();
+ ok(event_rule, "syscall event rule object creation");
+
+ event_rule_status = lttng_event_rule_syscall_set_pattern(
+ event_rule, syscall_name);
+ ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK,
+ "Setting syscall event rule pattern: '%s'", syscall_name);
+
+ condition = lttng_condition_on_event_create(event_rule);
+ ok(condition, "Condition syscall event rule object creation");
+
+ /* Register the trigger for condition. */
+ trigger = lttng_trigger_create(condition, action);
+ if (!trigger) {
+ fail("Failed to create trigger with syscall event rule condition and notify action");
goto end;
}
- condition_status = lttng_condition_buffer_usage_set_domain_type(
- condition, domain_type);
- if (condition_status != LTTNG_CONDITION_STATUS_OK) {
- fail("Failed to set domain type on creation of condition `%s`",
- condition_name);
- ret = -1;
+ trigger_status = lttng_trigger_set_name(trigger, trigger_name);
+ ok(trigger_status == LTTNG_TRIGGER_STATUS_OK,
+ "Setting name to trigger '%s'", trigger_name);
+
+ ret = lttng_register_trigger(trigger);
+ if (ret) {
+ fail("Failed to register trigger with syscall event rule condition and notify action");
goto end;
}
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to tracepoint event rule condition");
+
+ resume_application();
+
+ for (i = 0; i < notification_count; i++) {
+ struct lttng_notification *notification = get_next_notification(
+ notification_channel);
+
+ ok(notification, "Received notification (%d/%d)", i + 1,
+ notification_count);
+
+ /* Error. */
+ if (notification == NULL) {
+ goto end;
+ }
+
+ ret = validator_notification_trigger_name(notification, trigger_name);
+ lttng_notification_destroy(notification);
+ if (ret) {
+ goto end;
+ }
+ }
end:
- return ret;
+ suspend_application();
+ lttng_notification_channel_destroy(notification_channel);
+ lttng_unregister_trigger(trigger);
+ lttng_trigger_destroy(trigger);
+ lttng_action_destroy(action);
+ lttng_condition_destroy(condition);
+ return;
}
-static
-void test_invalid_channel_subscription(
- const enum lttng_domain_type domain_type)
+static void test_syscall_event_rule_notification_filter(
+ enum lttng_domain_type domain_type)
{
- enum lttng_condition_status condition_status;
+ int i, ret;
+ const int notification_count = 3;
enum lttng_notification_channel_status nc_status;
- struct lttng_condition *dummy_condition = NULL;
- struct lttng_condition *dummy_invalid_condition = NULL;
+ enum lttng_event_rule_status event_rule_status;
+ enum lttng_trigger_status trigger_status;
struct lttng_notification_channel *notification_channel = NULL;
- int ret = 0;
+ struct lttng_condition *condition = NULL;
+ struct lttng_event_rule *event_rule = NULL;
+ struct lttng_action *action = NULL;
+ struct lttng_trigger *trigger = NULL;
+ const char * const trigger_name = "syscall_trigger";
+ const char * const syscall_name = "openat";
+ const char * const filter_pattern = "filename == \"/proc/cpuinfo\"";
+
+ action = lttng_action_notify_create();
+ if (!action) {
+ fail("Failed to create notify action");
+ goto end;
+ }
notification_channel = lttng_notification_channel_create(
lttng_session_daemon_notification_endpoint);
ok(notification_channel, "Notification channel object creation");
- if (!notification_channel) {
- goto end;
- }
- /*
- * Create a dummy, empty (thus invalid) condition to test error paths.
- */
- dummy_invalid_condition = lttng_condition_buffer_usage_low_create();
- if (!dummy_invalid_condition) {
- fail("Setup error on condition creation");
- goto end;
- }
+ event_rule = lttng_event_rule_syscall_create();
+ ok(event_rule, "syscall event rule object creation");
- /*
- * Test subscription and unsubscription of an invalid condition to/from
- * a channel.
- */
- nc_status = lttng_notification_channel_subscribe(
- notification_channel, dummy_invalid_condition);
- ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID,
- "Subscribing to an invalid condition");
+ event_rule_status = lttng_event_rule_syscall_set_pattern(
+ event_rule, syscall_name);
+ ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK,
+ "Setting syscall event rule pattern: '%s'", syscall_name);
- nc_status = lttng_notification_channel_unsubscribe(
- notification_channel, dummy_invalid_condition);
- ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID,
- "Unsubscribing from an invalid condition");
+ event_rule_status = lttng_event_rule_syscall_set_filter(
+ event_rule, filter_pattern);
+ ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK,
+ "Setting filter: '%s'", filter_pattern);
- /* Create a valid dummy condition with a ratio of 0.5 */
- dummy_condition = lttng_condition_buffer_usage_low_create();
- if (!dummy_condition) {
- fail("Setup error on dummy_condition creation");
- goto end;
- }
+ condition = lttng_condition_on_event_create(event_rule);
+ ok(condition, "Condition event rule object creation");
- condition_status = lttng_condition_buffer_usage_set_threshold_ratio(
- dummy_condition, 0.5);
- if (condition_status != LTTNG_CONDITION_STATUS_OK) {
- fail("Setup error on condition creation");
+ /* Register the triggers for condition */
+ trigger = lttng_trigger_create(condition, action);
+ if (!trigger) {
+ fail("Failed to create trigger with syscall filtering event rule condition and notify action");
goto end;
}
- ret = setup_buffer_usage_condition(dummy_condition, "dummy_condition",
- "dummy_session", "dummy_channel", domain_type);
+ trigger_status = lttng_trigger_set_name(trigger, trigger_name);
+ ok(trigger_status == LTTNG_TRIGGER_STATUS_OK,
+ "Setting name to trigger '%s'", trigger_name);
+
+ ret = lttng_register_trigger(trigger);
if (ret) {
- fail("Setup error on dummy condition creation");
+ fail("Failed to register trigger with syscall filtering event rule condition and notify action");
goto end;
}
- /*
- * Test subscription and unsubscription to/from a channel with invalid
- * parameters.
- */
- nc_status = lttng_notification_channel_subscribe(NULL, NULL);
- ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID,
- "Notification channel subscription is invalid: NULL, NULL");
-
nc_status = lttng_notification_channel_subscribe(
- notification_channel, NULL);
- ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID,
- "Notification channel subscription is invalid: NON-NULL, NULL");
+ notification_channel, condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to tracepoint event rule condition");
- nc_status = lttng_notification_channel_subscribe(NULL, dummy_condition);
- ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID,
- "Notification channel subscription is invalid: NULL, NON-NULL");
+ resume_application();
- nc_status = lttng_notification_channel_unsubscribe(
- notification_channel, dummy_condition);
- ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_UNKNOWN_CONDITION,
- "Unsubscribing from a valid unknown condition");
+ for (i = 0; i < notification_count; i++) {
+ struct lttng_notification *notification = get_next_notification(
+ notification_channel);
+
+ ok(notification, "Received notification (%d/%d)", i + 1,
+ notification_count);
+
+ /* Error. */
+ if (notification == NULL) {
+ goto end;
+ }
+
+ ret = validator_notification_trigger_name(notification, trigger_name);
+ lttng_notification_destroy(notification);
+ if (ret) {
+ goto end;
+ }
+ }
end:
+ suspend_application();
+
+ lttng_unregister_trigger(trigger);
lttng_notification_channel_destroy(notification_channel);
- lttng_condition_destroy(dummy_invalid_condition);
- lttng_condition_destroy(dummy_condition);
+ lttng_trigger_destroy(trigger);
+ lttng_event_rule_destroy(event_rule);
+ lttng_condition_destroy(condition);
return;
}
-enum buffer_usage_type {
- BUFFER_USAGE_TYPE_LOW,
- BUFFER_USAGE_TYPE_HIGH,
-};
-
-static int register_buffer_usage_notify_trigger(const char *session_name,
- const char *channel_name,
- const enum lttng_domain_type domain_type,
- enum buffer_usage_type buffer_usage_type,
- double ratio,
- struct lttng_condition **condition,
- struct lttng_action **action,
- struct lttng_trigger **trigger)
+static int generate_capture_descr(struct lttng_condition *condition)
{
- enum lttng_condition_status condition_status;
- struct lttng_action *tmp_action = NULL;
- struct lttng_condition *tmp_condition = NULL;
- struct lttng_trigger *tmp_trigger = NULL;
- int ret = 0;
+ int ret, i;
+ struct lttng_event_expr *expr = NULL;
+ const unsigned int basic_field_count = sizeof(test_capture_base_fields) /
+ sizeof(*test_capture_base_fields);
+ enum lttng_condition_status cond_status;
+
+ for (i = 0; i < basic_field_count; i++) {
+ diag("Adding capture descriptor '%s'",
+ test_capture_base_fields[i].field_name);
+
+ switch (test_capture_base_fields[i].field_type) {
+ case FIELD_TYPE_PAYLOAD:
+ expr = lttng_event_expr_event_payload_field_create(
+ test_capture_base_fields[i].field_name);
+ break;
+ case FIELD_TYPE_CONTEXT:
+ expr = lttng_event_expr_channel_context_field_create(
+ test_capture_base_fields[i].field_name);
+ break;
+ case FIELD_TYPE_ARRAY_FIELD:
+ {
+ int nb_matches;
+ unsigned int index;
+ char field_name[FIELD_NAME_MAX_LEN];
+ struct lttng_event_expr *array_expr = NULL;
+
+ nb_matches = sscanf(test_capture_base_fields[i].field_name,
+ "%[^[][%u]", field_name, &index);
+ if (nb_matches != 2) {
+ fail("Unexpected array field name format: field name = '%s'",
+ test_capture_base_fields[i].field_name);
+ ret = 1;
+ goto end;
+ }
- /* Set-up */
- tmp_action = lttng_action_notify_create();
- if (!action) {
- fail("Setup error on action creation");
- ret = -1;
- goto error;
- }
+ array_expr = lttng_event_expr_event_payload_field_create(
+ field_name);
- if (buffer_usage_type == BUFFER_USAGE_TYPE_LOW) {
- tmp_condition = lttng_condition_buffer_usage_low_create();
- } else {
- tmp_condition = lttng_condition_buffer_usage_high_create();
- }
+ expr = lttng_event_expr_array_field_element_create(
+ array_expr, index);
+ break;
+ }
+ case FIELD_TYPE_APP_CONTEXT:
+ fail("Application context tests are not implemented yet.");
+ /* fallthrough. */
+ default:
+ ret = 1;
+ goto end;
+ }
- if (!tmp_condition) {
- fail("Setup error on condition creation");
- ret = -1;
- goto error;
- }
+ if (expr == NULL) {
+ fail("Failed to create capture expression");
+ ret = -1;
+ goto end;
+ }
- /* Set the buffer usage threashold */
- condition_status = lttng_condition_buffer_usage_set_threshold_ratio(
- tmp_condition, ratio);
- if (condition_status != LTTNG_CONDITION_STATUS_OK) {
- fail("Setup error on condition creation");
- ret = -1;
- goto error;
+ cond_status = lttng_condition_on_event_append_capture_descriptor(
+ condition, expr);
+ if (cond_status != LTTNG_CONDITION_STATUS_OK) {
+ fail("Failed to append capture descriptor");
+ ret = -1;
+ lttng_event_expr_destroy(expr);
+ goto end;
+ }
}
- ret = setup_buffer_usage_condition(tmp_condition, "condition_name",
- session_name, channel_name, domain_type);
- if (ret) {
- fail("Setup error on condition creation");
- ret = -1;
- goto error;
+ ret = 0;
+
+end:
+ return ret;
+}
+
+static int validator_notification_trigger_capture(
+ enum lttng_domain_type domain,
+ struct lttng_notification *notification,
+ const int iteration)
+{
+ int ret;
+ unsigned int capture_count, i;
+ enum lttng_evaluation_status evaluation_status;
+ enum lttng_event_field_value_status event_field_value_status;
+ const struct lttng_evaluation *evaluation;
+ const struct lttng_event_field_value *captured_fields;
+ bool at_least_one_error = false;
+
+ evaluation = lttng_notification_get_evaluation(notification);
+ if (evaluation == NULL) {
+ fail("Failed to get evaluation from notification during trigger capture test");
+ ret = 1;
+ goto end;
}
- /* Register the trigger for condition. */
- tmp_trigger = lttng_trigger_create(tmp_condition, tmp_action);
- if (!tmp_trigger) {
- fail("Setup error on trigger creation");
- ret = -1;
- goto error;
+ evaluation_status = lttng_evaluation_on_event_get_captured_values(
+ evaluation, &captured_fields);
+ if (evaluation_status != LTTNG_EVALUATION_STATUS_OK) {
+ diag("Failed to get event rule evaluation captured values: status = %d",
+ (int) evaluation_status);
+ ret = 1;
+ goto end;
}
- ret = lttng_register_trigger(tmp_trigger);
- if (ret) {
- fail("Setup error on trigger registration");
- ret = -1;
- goto error;
+ event_field_value_status =
+ lttng_event_field_value_array_get_length(captured_fields,
+ &capture_count);
+ if (event_field_value_status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) {
+ fail("Failed to get count of captured value field array");
+ ret = 1;
+ goto end;
}
- *condition = tmp_condition;
- *trigger = tmp_trigger;
- *action = tmp_action;
- goto end;
+ for (i = 0; i < capture_count; i++) {
+ const struct lttng_event_field_value *captured_field = NULL;
+ validate_cb validate;
+ bool expected;
+
+ diag("Validating capture of field '%s'",
+ test_capture_base_fields[i].field_name);
+ event_field_value_status =
+ lttng_event_field_value_array_get_element_at_index(
+ captured_fields, i,
+ &captured_field);
+
+ switch(domain) {
+ case LTTNG_DOMAIN_UST:
+ expected = test_capture_base_fields[i].expected_ust;
+ break;
+ case LTTNG_DOMAIN_KERNEL:
+ expected = test_capture_base_fields[i].expected_kernel;
+ break;
+ default:
+ fail("Unexpected domain encountered: domain = %d",
+ (int) domain);
+ ret = 1;
+ goto end;
+ }
-error:
- lttng_action_destroy(tmp_action);
- lttng_condition_destroy(tmp_condition);
- lttng_trigger_destroy(tmp_trigger);
+ if (domain == LTTNG_DOMAIN_UST) {
+ validate = test_capture_base_fields[i].validate_ust;
+ } else {
+ validate = test_capture_base_fields[i].validate_kernel;
+ }
+
+ if (!expected) {
+ ok(event_field_value_status == LTTNG_EVENT_FIELD_VALUE_STATUS_UNAVAILABLE,
+ "No payload captured");
+ continue;
+ }
+
+ if (event_field_value_status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) {
+ if (event_field_value_status ==
+ LTTNG_EVENT_FIELD_VALUE_STATUS_UNAVAILABLE) {
+ fail("Expected a capture but it is unavailable");
+ } else {
+ fail("lttng_event_field_value_array_get_element_at_index returned an error: status = %d",
+ (int) event_field_value_status);
+ }
+
+ ret = 1;
+ goto end;
+ }
+
+ diag("Captured field of type %s",
+ field_value_type_to_str(
+ lttng_event_field_value_get_type(captured_field)));
+
+ assert(validate);
+ ret = validate(captured_field, iteration);
+ if (ret) {
+ at_least_one_error = true;
+ }
+ }
+
+ ret = at_least_one_error;
end:
return ret;
}
-static void test_subscription_twice(const char *session_name,
- const char *channel_name,
- const enum lttng_domain_type domain_type)
+static void test_tracepoint_event_rule_notification_capture(
+ enum lttng_domain_type domain_type)
{
- int ret = 0;
enum lttng_notification_channel_status nc_status;
- struct lttng_action *action = NULL;
+ int i, ret;
+ struct lttng_condition *condition = NULL;
struct lttng_notification_channel *notification_channel = NULL;
struct lttng_trigger *trigger = NULL;
+ const char *trigger_name = "my_precious";
+ const char *pattern;
- struct lttng_condition *condition = NULL;
-
- ret = register_buffer_usage_notify_trigger(session_name, channel_name,
- domain_type, BUFFER_USAGE_TYPE_LOW, 0.99, &condition,
- &action, &trigger);
- if (ret) {
- fail("Setup error on trigger registration");
- goto end;
+ if (domain_type == LTTNG_DOMAIN_UST) {
+ pattern = "tp:tptest";
+ } else {
+ pattern = "lttng_test_filter_event";
}
- /* Begin testing. */
+ create_tracepoint_event_rule_trigger(pattern, trigger_name, NULL, 0,
+ NULL, domain_type, generate_capture_descr, &condition,
+ &trigger);
+
notification_channel = lttng_notification_channel_create(
lttng_session_daemon_notification_endpoint);
ok(notification_channel, "Notification channel object creation");
- if (!notification_channel) {
- goto end;
- }
- /* Subscribe a valid condition. */
nc_status = lttng_notification_channel_subscribe(
notification_channel, condition);
ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
- "Subscribe to condition");
+ "Subscribe to tracepoint event rule condition");
- /* Subscribing again should fail. */
- nc_status = lttng_notification_channel_subscribe(
- notification_channel, condition);
- ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_ALREADY_SUBSCRIBED,
- "Subscribe to a condition for which subscription was already done");
+ resume_application();
+
+ /* Get 3 notifications */
+ for (i = 0; i < 3; i++) {
+ struct lttng_notification *notification = get_next_notification(
+ notification_channel);
+ ok(notification, "Received notification");
+
+ /* Error */
+ if (notification == NULL) {
+ goto end;
+ }
+
+ ret = validator_notification_trigger_name(notification, trigger_name);
+ if (ret) {
+ lttng_notification_destroy(notification);
+ goto end;
+ }
+
+ ret = validator_notification_trigger_capture(domain_type, notification, i);
+ if (ret) {
+ lttng_notification_destroy(notification);
+ goto end;
+ }
+
+ lttng_notification_destroy(notification);
+ }
end:
+ suspend_application();
+ lttng_notification_channel_destroy(notification_channel);
lttng_unregister_trigger(trigger);
lttng_trigger_destroy(trigger);
- lttng_notification_channel_destroy(notification_channel);
- lttng_action_destroy(action);
lttng_condition_destroy(condition);
+ return;
}
-static void test_buffer_usage_notification_channel(const char *session_name,
- const char *channel_name,
- const enum lttng_domain_type domain_type,
- const char **argv)
+int main(int argc, const char *argv[])
{
- int ret = 0;
- enum lttng_notification_channel_status nc_status;
-
- struct lttng_action *low_action = NULL;
- struct lttng_action *high_action = NULL;
- struct lttng_notification *notification = NULL;
- struct lttng_notification_channel *notification_channel = NULL;
- struct lttng_trigger *low_trigger = NULL;
- struct lttng_trigger *high_trigger = NULL;
+ int test_scenario;
+ const char *domain_type_string = NULL;
+ enum lttng_domain_type domain_type = LTTNG_DOMAIN_NONE;
- struct lttng_condition *low_condition = NULL;
- struct lttng_condition *high_condition = NULL;
+ if (argc < 5) {
+ fail("Missing test scenario, domain type, pid, or application state file argument(s)");
+ goto error;
+ }
- const double low_ratio = 0.0;
- const double high_ratio = 0.90;
+ test_scenario = atoi(argv[1]);
+ domain_type_string = argv[2];
+ app_pid = (pid_t) atoi(argv[3]);
+ app_state_file = argv[4];
- ret = register_buffer_usage_notify_trigger(session_name, channel_name,
- domain_type, BUFFER_USAGE_TYPE_LOW, low_ratio,
- &low_condition, &low_action, &low_trigger);
- if (ret) {
- fail("Setup error on low trigger registration");
- goto end;
+ if (!strcmp("LTTNG_DOMAIN_UST", domain_type_string)) {
+ domain_type = LTTNG_DOMAIN_UST;
}
-
- ret = register_buffer_usage_notify_trigger(session_name, channel_name,
- domain_type, BUFFER_USAGE_TYPE_HIGH, high_ratio,
- &high_condition, &high_action, &high_trigger);
- if (ret) {
- fail("Setup error on high trigger registration");
- goto end;
+ if (!strcmp("LTTNG_DOMAIN_KERNEL", domain_type_string)) {
+ domain_type = LTTNG_DOMAIN_KERNEL;
}
-
- /* Begin testing */
- notification_channel = lttng_notification_channel_create(
- lttng_session_daemon_notification_endpoint);
- ok(notification_channel, "Notification channel object creation");
- if (!notification_channel) {
- goto end;
+ if (domain_type == LTTNG_DOMAIN_NONE) {
+ fail("Unknown domain type");
+ goto error;
}
- /* Subscribe a valid low condition */
- nc_status = lttng_notification_channel_subscribe(
- notification_channel, low_condition);
- ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
- "Subscribe to low condition");
-
- /* Subscribe a valid high condition */
- nc_status = lttng_notification_channel_subscribe(
- notification_channel, high_condition);
- ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
- "Subscribe to high condition");
+ /*
+ * Test cases are responsible for resuming the app when needed
+ * and making sure it's suspended when returning.
+ */
+ suspend_application();
- resume_application();
+ switch (test_scenario) {
+ case 1:
+ {
+ plan_tests(44);
- /* Wait for notification to happen */
- stop_consumer(argv);
- lttng_start_tracing(session_name);
+ /* Test cases that need gen-ust-event testapp. */
+ diag("Test basic notification error paths for %s domain",
+ domain_type_string);
+ test_invalid_channel_subscription(domain_type);
- /* Wait for high notification */
- do {
- nc_status = lttng_notification_channel_get_next_notification(
- notification_channel, ¬ification);
- } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED);
- ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification &&
- lttng_condition_get_type(lttng_notification_get_condition(
- notification)) ==
- LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH,
- "High notification received after intermediary communication");
- lttng_notification_destroy(notification);
- notification = NULL;
+ diag("Test tracepoint event rule notifications for domain %s",
+ domain_type_string);
+ test_tracepoint_event_rule_notification(domain_type);
- suspend_application();
- lttng_stop_tracing_no_wait(session_name);
- resume_consumer(argv);
- wait_data_pending(session_name);
+ diag("Test tracepoint event rule notifications with filter for domain %s",
+ domain_type_string);
+ test_tracepoint_event_rule_notification_filter(domain_type);
+ break;
+ }
+ case 2:
+ {
+ const char *session_name, *channel_name;
- /*
- * Test that communication still work even if there is notification
- * waiting for consumption.
- */
+ /* Test cases that need a tracing session enabled. */
+ plan_tests(99);
- nc_status = lttng_notification_channel_unsubscribe(
- notification_channel, low_condition);
- ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
- "Unsubscribe with pending notification");
+ /*
+ * Argument 7 and upward are named pipe location for consumerd
+ * control.
+ */
+ named_pipe_args_start = 7;
- nc_status = lttng_notification_channel_subscribe(
- notification_channel, low_condition);
- ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
- "Subscribe with pending notification");
+ if (argc < 8) {
+ fail("Missing parameter for tests to run %d", argc);
+ goto error;
+ }
- do {
- nc_status = lttng_notification_channel_get_next_notification(
- notification_channel, ¬ification);
- } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED);
- ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification &&
- lttng_condition_get_type(lttng_notification_get_condition(
- notification)) ==
- LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW,
- "Low notification received after intermediary communication");
- lttng_notification_destroy(notification);
- notification = NULL;
+ nb_args = argc;
- /* Stop consumer to force a high notification */
- stop_consumer(argv);
- resume_application();
- lttng_start_tracing(session_name);
+ session_name = argv[5];
+ channel_name = argv[6];
- do {
- nc_status = lttng_notification_channel_get_next_notification(
- notification_channel, ¬ification);
- } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED);
- ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification &&
- lttng_condition_get_type(lttng_notification_get_condition(
- notification)) ==
- LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH,
- "High notification received after intermediary communication");
- lttng_notification_destroy(notification);
- notification = NULL;
+ test_subscription_twice(session_name, channel_name,
+ domain_type);
- suspend_application();
- lttng_stop_tracing_no_wait(session_name);
- resume_consumer(argv);
- wait_data_pending(session_name);
+ diag("Test trigger for domain %s with buffer_usage_low condition",
+ domain_type_string);
+ test_triggers_buffer_usage_condition(session_name, channel_name,
+ domain_type,
+ LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW);
- do {
- nc_status = lttng_notification_channel_get_next_notification(
- notification_channel, ¬ification);
- } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED);
- ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification &&
- lttng_condition_get_type(lttng_notification_get_condition(
- notification)) ==
- LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW,
- "Low notification received after re-subscription");
- lttng_notification_destroy(notification);
- notification = NULL;
+ diag("Test trigger for domain %s with buffer_usage_high condition",
+ domain_type_string);
+ test_triggers_buffer_usage_condition(session_name, channel_name,
+ domain_type,
+ LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH);
- stop_consumer(argv);
- resume_application();
- /* Stop consumer to force a high notification */
- lttng_start_tracing(session_name);
+ diag("Test buffer usage notification channel api for domain %s",
+ domain_type_string);
+ test_buffer_usage_notification_channel(session_name, channel_name,
+ domain_type, argv);
+ break;
+ }
+ case 3:
+ {
+ /*
+ * Test cases that need a test app with more than one event
+ * type.
+ */
+ plan_tests(25);
- do {
- nc_status = lttng_notification_channel_get_next_notification(
- notification_channel, ¬ification);
- } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED);
- ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification &&
- lttng_condition_get_type(lttng_notification_get_condition(
- notification)) ==
- LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH,
- "High notification");
- lttng_notification_destroy(notification);
- notification = NULL;
+ /*
+ * At the moment, the only test case of this scenario is
+ * exclusion which is only supported by UST.
+ */
+ assert(domain_type == LTTNG_DOMAIN_UST);
+ diag("Test tracepoint event rule notifications with exclusion for domain %s",
+ domain_type_string);
+ test_tracepoint_event_rule_notification_exclusion(domain_type);
- suspend_application();
+ break;
+ }
+ case 4:
+ {
+ plan_tests(12);
+ /* Test cases that need the kernel tracer. */
+ assert(domain_type == LTTNG_DOMAIN_KERNEL);
- /* Resume consumer to allow event consumption */
- lttng_stop_tracing_no_wait(session_name);
- resume_consumer(argv);
- wait_data_pending(session_name);
+ diag("Test kprobe event rule notifications for domain %s",
+ domain_type_string);
- nc_status = lttng_notification_channel_unsubscribe(
- notification_channel, low_condition);
- ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
- "Unsubscribe low condition with pending notification");
+ test_kprobe_event_rule_notification(domain_type);
- nc_status = lttng_notification_channel_unsubscribe(
- notification_channel, high_condition);
- ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
- "Unsubscribe high condition with pending notification");
+ break;
+ }
+ case 5:
+ {
+ plan_tests(25);
+ /* Test cases that need the kernel tracer. */
+ assert(domain_type == LTTNG_DOMAIN_KERNEL);
-end:
- lttng_notification_channel_destroy(notification_channel);
- lttng_trigger_destroy(low_trigger);
- lttng_trigger_destroy(high_trigger);
- lttng_action_destroy(low_action);
- lttng_action_destroy(high_action);
- lttng_condition_destroy(low_condition);
- lttng_condition_destroy(high_condition);
-}
+ diag("Test syscall event rule notifications for domain %s",
+ domain_type_string);
-int main(int argc, const char *argv[])
-{
- const char *session_name = NULL;
- const char *channel_name = NULL;
- const char *domain_type_string = NULL;
- enum lttng_domain_type domain_type = LTTNG_DOMAIN_NONE;
+ test_syscall_event_rule_notification(domain_type);
- plan_tests(NUM_TESTS);
+ diag("Test syscall filtering event rule notifications for domain %s",
+ domain_type_string);
- /* Argument 6 and upward are named pipe location for consumerd control */
- named_pipe_args_start = 6;
+ test_syscall_event_rule_notification_filter(domain_type);
- if (argc < 7) {
- fail("Missing parameter for tests to run %d", argc);
- goto error;
+ break;
}
+ case 6:
+ {
+ const char *testapp_path, *test_symbol_name;
- nb_args = argc;
+ plan_tests(13);
- domain_type_string = argv[1];
- session_name = argv[2];
- channel_name = argv[3];
- app_pid = (pid_t) atoi(argv[4]);
- app_state_file = argv[5];
+ if (argc < 7) {
+ fail("Missing parameter for tests to run %d", argc);
+ goto error;
+ }
- if (!strcmp("LTTNG_DOMAIN_UST", domain_type_string)) {
- domain_type = LTTNG_DOMAIN_UST;
- }
- if (!strcmp("LTTNG_DOMAIN_KERNEL", domain_type_string)) {
- domain_type = LTTNG_DOMAIN_KERNEL;
- }
- if (domain_type == LTTNG_DOMAIN_NONE) {
- fail("Unknown domain type");
- goto error;
+ testapp_path = argv[5];
+ test_symbol_name = argv[6];
+ /* Test cases that need the kernel tracer. */
+ assert(domain_type == LTTNG_DOMAIN_KERNEL);
+
+ diag("Test userspace-probe event rule notifications for domain %s",
+ domain_type_string);
+
+ test_uprobe_event_rule_notification(
+ domain_type, testapp_path, test_symbol_name);
+
+ break;
}
+ case 7:
+ {
+ switch(domain_type) {
+ case LTTNG_DOMAIN_UST:
+ plan_tests(222);
+ break;
+ case LTTNG_DOMAIN_KERNEL:
+ plan_tests(216);
+ break;
+ default:
+ assert(0);
+ }
- /*
- * Test cases are responsible for resuming the app when needed and
- * making sure it's suspended when returning.
- */
- suspend_application();
+ diag("Test tracepoint event rule notification captures for domain %s",
+ domain_type_string);
+ test_tracepoint_event_rule_notification_capture(domain_type);
- diag("Test trigger for domain %s with buffer_usage_low condition", domain_type_string);
- test_triggers_buffer_usage_condition(session_name, channel_name, domain_type, LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW);
- diag("Test trigger for domain %s with buffer_usage_high condition", domain_type_string);
- test_triggers_buffer_usage_condition(session_name, channel_name, domain_type, LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH);
+ break;
+ }
- /* Basic error path check. */
- test_invalid_channel_subscription(domain_type);
- test_subscription_twice(session_name, channel_name, domain_type);
+ default:
+ abort();
+ }
- diag("Test buffer usage notification channel api for domain %s", domain_type_string);
- test_buffer_usage_notification_channel(session_name, channel_name, domain_type, argv);
error:
return exit_status();
}
projects / lttng-tools.git / blobdiff